Zurn 4-375AST 4 in. 304L Stainless Steel Flanged Backflow Preventer offers superior protection and reliability for your plumbing systems. This CSA® Certified and IAPMO® Listed backflow preventer is designed to meet high industry standards, including ASSE® 1013 and AWWA compliance, ensuring safe and efficient water flow management. Constructed from durable stainless steel, this backflow preventer is built to resist corrosion and withstand the rigors of both residential and commercial applications. Its flanged connections allow for versatile installation options, accommodating horizontal and vertical setups to fit the specific needs of your project. The short lay-length design minimizes installation time and costs, making it an economical choice for contractors and builders. Featuring a patented Compound Check, the Zurn 4-375AST ensures reliable performance and improved flow characteristics, even in lower-pressure systems. With a maximum operating pressure of 350 psi and a full port valve opening, it efficiently manages water while maintaining optimal flow rates. The unit is also equipped with a wheel handle for easy operation. Measuring 24-1/4 inches in height and 12-1/2 inches in width, this backflow preventer is not only compact but also effective in its function. Additionally, it is NSF Certified and lead law compliant, ensuring safety and peace of mind for all users. For projects that demand both performance and versatility, the Zurn 4-375AST 4 in. Stainless Steel Flanged Backflow Preventer meets the rigorous demands of modern plumbing installations while providing long-lasting durability and reliability.
4 in. 304L Stainless Steel Flanged Backflow Preventer
ANSI: ANSI 61
ASSE Standards: ASSE 1013
AWWA: AWWA C-511
CSA Certified: CSA
Coating: Epoxy
Collection: 375AST
End Connection 1: Flanged
End Connection 2: Flanged
End Connections: Flanged
FM Approved: Yes
Height: 24-1/4 in
IAPMO Listed: Yes
Installation Type: Horizontal, Vertical
Lead Law Compliance Level: Lead Law Compliant and Certified
Lead Law Compliant: Yes
Length: 34-22/25 in
Material: Stainless Steel, Rubber, Plastic
Material Type: 300, Buna-N, EPDM, Noryl®
Maximum Temperature: 33
Minimum Temperature: 33
NSF Certified: Yes
Pressure - High: 175
Pressure - Maximum: 350 psi
Proposition 65: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Recommended Valve Application: Water
Restrictions: This item is classified by UPS as oversized and must ship via LTL freight - additional charges apply.
UL Listed: Yes
Upc: 612052112244
Valve Body Material: Stainless Steel
Valve Body Style: Inline
Valve Operator: Wheel Handle
Valve Port Opening: Full Port
Valve Seat Material: Stainless Steel
Valve Size: 4 in
Valve Type: Reduced Pressure Principle Assembly
Weight: 176 lb
Width: 12-1/2 in
